<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="{{url_for('static',filename='js/jquery.min.js')}}"></script>
    <link rel="stylesheet" href="{{url_for('static',filename='css/jquery.dataTables.min.css')}}">
    <link rel="stylesheet" href="{{url_for('static',filename='css/bootstrap.min.css')}}">
    <title>Title</title>
</head>
<body>
<div class="col-sm-5" id="so">
    <div align="center">
    <h3>等价概念搜索</h3>
     <div class="input-group">
         <input type="text" class="form-control" onkeydown="onKeyDown(event)"/>
         <span class="input-group-addon"><a href="#"><i class="glyphicon glyphicon-search"> <span>搜索</span></i></a></span>
     </div>
    </div>
</div>

</body>
</html>